<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程编号" prop="courseNo">
        <el-input
          v-model="queryParams.courseNo"
          placeholder="请输入课程编号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程名称" prop="courseName">
        <el-input
          v-model="queryParams.courseName"
          placeholder="请输入课程名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学员ID" prop="studentId">
        <el-input
          v-model="queryParams.studentId"
          placeholder="请输入学员ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学员名称" prop="nickName">
        <el-input
          v-model="queryParams.nickName"
          placeholder="请输入学员名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['course:student:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['course:student:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['course:student:remove']"
        >删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['course:student:export']"
        >导出</el-button>
      </el-col> -->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="studentList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="课程编号" align="center" prop="courseNo" />
      <el-table-column label="课程名称" align="center" prop="courseName" >
       <template slot-scope="scope">
          <span>{{scope.row.courseName}}</span>
        </template>
      </el-table-column>
      <el-table-column label="学员ID" align="center" prop="studentId" />
      <el-table-column label="学员昵称" align="center" prop="nickName" >
       <template slot-scope="scope">
          <span>{{scope.row.nickName}}</span>
        </template>
      </el-table-column>
      <el-table-column label="总时长" align="center" prop="timeLength" >
        <template slot-scope="scope">
          <span>{{scope.row.timeLength}}分钟</span>
        </template>
      </el-table-column>
      <el-table-column label="已学时长" align="center" prop="studyTime" >
        <template slot-scope="scope">
          <span>{{scope.row.studyTime}}分钟</span>
        </template>
      </el-table-column>
      <el-table-column label="学习进度" align="center" prop="studySchedule">
        <template slot-scope="scope">
          <span>{{scope.row.studySchedule}}%</span>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="studyStatus" width="180">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_study_status" :value="scope.row.studyStatus"/>
        </template>
      </el-table-column>
      <el-table-column label="开始时间" align="center" prop="beginTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.beginTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="完成时间" align="center" prop="finishTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.finishTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="最后学习时间" align="center" prop="lastTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.lastTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['course:student:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['course:student:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改学员的课程信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="课程" prop="courseNo">
          <el-select v-model="form.courseNo"  filterable placeholder="请选择课程">
            <el-option
            v-for="item in courseOption"
            :key="item.courseNo"
            :value="item.courseNo"
            :label="item.courseName"
            :disabled="item.status == 1"
          />
          </el-select>
        </el-form-item>
        <el-form-item label="学员" prop="studentId">
          <el-select v-model="form.studentId"  filterable placeholder="请选择学员">
            <el-option
              v-for="student in studentOption"
              :key="student.userId"
              :label="student.nickName"
              :value="student.userId"
            ></el-option>
          </el-select>
        </el-form-item>

        <!-- <el-row>
          <el-col :span="12">
            <el-form-item label="学习进度" prop="studySchedule">
              <el-input v-model="form.studySchedule" placeholder="请输入学习进度，0~100" />
            </el-form-item>
          </el-col>
        </el-row> -->

        
        <el-form-item label="状态">
          <el-radio-group v-model="form.studyStatus">
            <el-radio
              v-for="dict in dict.type.sys_study_status"
              :key="dict.value"
              :label="parseInt(dict.value)"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listStudent, getStudent, delStudent, addStudent, updateStudent } from "@/api/course/student";
import { studentList } from "@/api/system/user";
import { wholeList } from "@/api/course/course";

export default {
  name: "Student",
  dicts: ['sys_study_status'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 学员的课程信息表格数据
      studentList: [],
      //学员列表
      studentOption: [],
      // 课程数据
      courseOption: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        courseNo: null,
        nickName:null,
        courseName:null,
        studentId: null,
        studyTime: null,
        studySchedule: null,
        timeLength: null,
        beginTime: null,
        finishTime: null,
        lastTime: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        courseNo: [
          { required: true, message: "请选择课程", trigger: "change" }
        ],
        studentId: [
          { required: true, message: "请选择学员", trigger: "change" }
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getCourseList();
  },
  methods: {
    /** 查询学员的课程信息列表 */
    getList() {
      this.loading = true;
      if(this.$route.params.courseNo !=null){
        this.queryParams.courseNo = this.$route.params.courseNo;
        this.$route.params.courseNo = null;
      }
      listStudent(this.queryParams).then(response => {
        this.studentList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },

    /** 查询课程列表 */
    getCourseList() {
      wholeList(this.queryParams).then(response => {
        this.courseOption = response.data;
      });
    },
    //获取学员列表
    getStudent() {
      studentList(this.queryParams).then(response => {
        this.studentOption = response.data;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        courseNo: null,
        studentId: null,
        studyTime: null,
        studySchedule: null,
        studyStatus:1,
        timeLength: null,
        beginTime: null,
        finishTime: null,
        lastTime: null,
        delFlag: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.getStudent();
      this.reset();
      this.open = true;
      this.title = "添加学员的课程信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.getStudent();
      this.reset();
      const id = row.id || this.ids
      getStudent(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学员的课程信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateStudent(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStudent(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除编号为"' + ids + '"的数据项？').then(function() {
        return delStudent(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('course/student/export', {
        ...this.queryParams
      }, `student_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
